Game board



FIG. 1 is a top view of a game board;

FIG. 2 is a front view thereof, the rear view thereof is a mirror image of the front view;

FIG. 3 is a bottom view thereof; and,

FIG. 4 is right side view thereof, the left side view thereof is a mirror image of the right side view. 

The ornamental design for a game board, as shown and described. 